JezK
Edit File: mime_version_parser.rl
# frozen_string_literal: true require 'mail/utilities' require 'mail/parser_tools' %%{ machine mime_version; alphtype int; # Major Digits action major_digits_s { major_digits_s = p } action major_digits_e { mime_version.major = chars(data, major_digits_s, p-1) } # Minor Digits action minor_digits_s { minor_digits_s = p } action minor_digits_e { mime_version.minor = chars(data, minor_digits_s, p-1) } # No-op actions action comment_s {} action comment_e {} action qstr_s {} action qstr_e {} action phrase_s {} action phrase_e {} include rfc2045_mime "rfc2045_mime.rl"; main := mime_version; }%% module Mail::Parsers module MimeVersionParser extend Mail::ParserTools MimeVersionStruct = Struct.new(:major, :minor, :error) %%write data noprefix; def self.parse(data) data = data.dup.force_encoding(Encoding::ASCII_8BIT) if data.respond_to?(:force_encoding) return MimeVersionStruct.new('', nil) if Mail::Utilities.blank?(data) # Parser state mime_version = MimeVersionStruct.new major_digits_s = minor_digits_s = nil # 5.1 Variables Used by Ragel p = 0 eof = pe = data.length stack = [] %%write init; %%write exec; if p != eof || cs < %%{ write first_final; }%% raise Mail::Field::IncompleteParseError.new(Mail::MimeVersionElement, data, p) end mime_version end end end